| |
commit 1fbcae13bdd0d7cbca12baaadc2a10864ea1aeb6
Author: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
AuthorDate: Mon Mar 15 14:09:40 2021 +0100
Commit: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
CommitDate: Mon Mar 15 14:09:50 2021 +0100
Create class Fl_Cairo_Graphics_Driver.
That class is extracted from inside Fl_PostScript_Graphics_Driver and might
become handy in the future.
src/CMakeLists.txt | 3 +
src/Makefile | 4 +-
src/drivers/Cairo/Fl_Cairo_Graphics_Driver.H | 140 +++++
src/drivers/Cairo/Fl_Cairo_Graphics_Driver.cxx | 656 +++++++++++++++++++++
src/drivers/PostScript/Fl_PostScript.cxx | 446 +-------------
.../PostScript/Fl_PostScript_Graphics_Driver.H | 64 +-
src/drivers/PostScript/Fl_PostScript_image.cxx | 139 -----
7 files changed, 849 insertions(+), 603 deletions(-)
diff --git src/CMakeLists.txt src/CMakeLists.txt
index 7c64a3a..1a614be 100644
--- src/CMakeLists.txt
+++ src/CMakeLists.txt
@@ -217,6 +217,9 @@ if (USE_X11)
set (DRIVER_FILES ${DRIVER_FILES}
drivers/Xlib/Fl_Xlib_Graphics_Driver_font_xft.cxx
)
+ if (USE_PANGO)
+ set (DRIVER_FILES ${DRIVER_FILES} drivers/Cairo/Fl_Cairo_Graphics_Driver.cxx)
+ endif (USE_PANGO)
else ()
set (DRIVER_FILES ${DRIVER_FILES}
drivers/Xlib/Fl_Xlib_Graphics_Driver_font_x.cxx
diff --git src/Makefile src/Makefile
index 00e02c0..1415be1 100644
--- src/Makefile
+++ src/Makefile
@@ -283,7 +283,8 @@ XLIBFONTFILES = \
# These C++ files are used under condition: BUILD_X11 AND BUILD_XFT
XLIBXFTFILES = \
- drivers/Xlib/Fl_Xlib_Graphics_Driver_font_xft.cxx
+ drivers/Xlib/Fl_Xlib_Graphics_Driver_font_xft.cxx \
+ drivers/Cairo/Fl_Cairo_Graphics_Driver.cxx
# These C++ files are used under condition: BUILD_GDI
GDICPPFILES = \
@@ -601,6 +602,7 @@ rebuild:
clean:
-$(RM) *.o xutf8/*.o *.dll.a core.* *~ *.bak *.bck
+ -$(RM) drivers/Cairo/*.o
-$(RM) drivers/Cocoa/*.o
-$(RM) drivers/Darwin/*.o
-$(RM) drivers/GDI/*.o
diff --git src/drivers/Cairo/Fl_Cairo_Graphics_Driver.H src/drivers/Cairo/Fl_Cairo_Graphics_Driver.H
new file mode 100644
index 0000000..bbcb414
--- /dev/null
+++ src/drivers/Cairo/Fl_Cairo_Graphics_Driver.H
@@ -0,0 +1,140 @@
+//
+// Support for Cairo graphics for the Fast Light Tool Kit (FLTK).
+//
+// Copyright 2021 by Bill Spitzak and others.
+//
+// This library is free software. Distribution and use rights are outlined in
+// the file "COPYING" which should have been included with this file. If this
+// file is missing or damaged, see the license at:
+//
+// https://www.fltk.org/COPYING.php
+//
+// Please see the following page on how to report bugs and issues:
+//
+// https://www.fltk.org/bugs.php
+//
+
+/* \file
+ Declaration of class Fl_Cairo_Graphics_Driver.
+*/
+
+#include <FL/Fl_Graphics_Driver.H>
+
+typedef struct _cairo cairo_t;
+typedef struct _PangoLayout PangoLayout;
+typedef struct _PangoFontDescription PangoFontDescription;
+
+class FL_EXPORT Fl_Cairo_Graphics_Driver : public Fl_Graphics_Driver {
+protected:
+ cairo_t *cairo_;
+ PangoLayout *pango_layout_;
+ void draw_rgb_bitmap_(Fl_Image *img,int XP, int YP, int WP, int HP, int cx, int cy);
+public:
+ Fl_Cairo_Graphics_Driver();
+ virtual ~Fl_Cairo_Graphics_Driver();
+ enum SHAPE {NONE=0, LINE, LOOP, POLYGON, POINTS};
+
+ class Clip {
+ public:
+ int x, y, w, h;
+ Clip *prev;
+ };
+ Clip * clip_;
+
+ int lang_level_;
+ int gap_;
+ int pages_;
+ cairo_t *cr() { return cairo_; }
+ PangoLayout *pango_layout() {return pango_layout_;};
+ virtual PangoFontDescription* pango_font_description(Fl_Font fnum) { return NULL; }
+
+ void check_status(void);
+
+ enum SHAPE shape_;
+ int linewidth_;// need for clipping, lang level 1-2
+ int linestyle_;//
+ unsigned char cr_,cg_,cb_;
+ char linedash_[256];//should be enough
+ void concat(); // transform ror scalable dradings...
+ void reconcat(); //invert
+ void recover(); //recovers the state after grestore (such as line styles...)
+ void reset();
+
+ float scale_x;
+ float scale_y;
+ float angle;
+ int left_margin;
+ int top_margin;
+
+ double pw_, ph_;
+
+ uchar bg_r, bg_g, bg_b;
+ void transformed_draw(const char* s, int n, double x, double y); //precise text placing
+
+ // implementation of drawing methods
+ void color(Fl_Color c);
+ void color(uchar r, uchar g, uchar b);
+ Fl_Color color();
+
+ void push_clip(int x, int y, int w, int h);
+ void push_no_clip();
+ void pop_clip();
+
+ void line_style(int style, int width=0, char* dashes=0);
+
+ void rect(int x, int y, int w, int h);
+ void rectf(int x, int y, int w, int h);
+
+ void xyline(int x, int y, int x1);
+ void xyline(int x, int y, int x1, int y2);
+ void xyline(int x, int y, int x1, int y2, int x3);
+
+ void yxline(int x, int y, int y1);
+ void yxline(int x, int y, int y1, int x2);
+ void yxline(int x, int y, int y1, int x2, int y3);
+
+ void line(int x1, int y1, int x2, int y2);
+ void line(int x1, int y1, int x2, int y2, int x3, int y3);
+
+ void loop(int x0, int y0, int x1, int y1, int x2, int y2);
+ void loop(int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3);
+ void polygon(int x0, int y0, int x1, int y1, int x2, int y2);
+ void polygon(int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3);
+
+ void begin_points();
+ void begin_line();
+ void begin_loop();
+ void begin_polygon();
+ void vertex(double x, double y);
+ void curve(double x, double y, double x1, double y1, double x2, double y2, double x3, double y3);
+ void circle(double x, double y, double r);
+ void arc(double x, double y, double r, double start, double a);
+ void arc(int x, int y, int w, int h, double a1, double a2);
+ void pie(int x, int y, int w, int h, double a1, double a2);
+ void end_points();
+ void end_line();
+ void end_loop();
+ void end_polygon();
+ void begin_complex_polygon(){begin_polygon();};
+ void gap(){gap_=1;};
+ void end_complex_polygon(){end_polygon();};
+ void transformed_vertex(double x, double y);
+
+ void draw_image_mono(const uchar* d, int x,int y,int w,int h, int delta=1, int ld=0);
+ void draw_image(Fl_Draw_Image_Cb call, void* data, int x,int y, int w, int h, int delta=3);
+ void draw_image_mono(Fl_Draw_Image_Cb call, void* data, int x,int y, int w, int h, int delta=1);
+
+ void draw(const char* s, int nBytes, int x, int y) {transformed_draw(s,nBytes,x,y); };
+ void draw(const char* s, int nBytes, float x, float y) {transformed_draw(s,nBytes,x,y); };
+ void draw(int angle, const char *str, int n, int x, int y);
+ void rtl_draw(const char* s, int n, int x, int y);
+ void draw_pixmap(Fl_Pixmap * pxm,int XP, int YP, int WP, int HP, int cx, int cy);
+ void draw_bitmap(Fl_Bitmap * bitmap,int XP, int YP, int WP, int HP, int cx, int cy);
+ void draw_rgb(Fl_RGB_Image * rgb,int XP, int YP, int WP, int HP, int cx, int cy);
+ // ---
+ Fl_Bitmask create_bitmask(int w, int h, const uchar *array) { return 0L; }
+
+ void ps_origin(int x, int y);
+ void ps_translate(int, int);
+ void ps_untranslate();
+};
diff --git src/drivers/Cairo/Fl_Cairo_Graphics_Driver.cxx src/drivers/Cairo/Fl_Cairo_Graphics_Driver.cxx
new file mode 100644
index 0000000..ff64bfe
--- /dev/null
+++ src/drivers/Cairo/Fl_Cairo_Graphics_Driver.cxx
@@ -0,0 +1,656 @@
+//
+// Support for Cairo graphics for the Fast Light Tool Kit (FLTK).
+//
+// Copyright 2021 by Bill Spitzak and others.
+//
+// This library is free software. Distribution and use rights are outlined in
+// the file "COPYING" which should have been included with this file. If this
+// file is missing or damaged, see the license at:
+//
+// https://www.fltk.org/COPYING.php
+//
+// Please see the following page on how to report bugs and issues:
+//
+// https://www.fltk.org/bugs.php
+//
+
+/* \file
+ Implementation of class Fl_Cairo_Graphics_Driver .
+*/
+
+#include <config.h>
+#if USE_PANGO
+
+#include "Fl_Cairo_Graphics_Driver.H"
+#include <FL/fl_draw.H>
+#include <cairo/cairo.h>
+#include <pango/pangocairo.h>
+
+// duplicated from Fl_PostScript.cxx
+struct callback_data {
+ const uchar *data;
+ int D, LD;
+};
+static const int dashes_flat[5][7]={
+{-1,0,0,0,0,0,0},
+{3,1,-1,0,0,0,0},
+{1,1,-1,0,0,0,0},
+{3,1,1,1,-1,0,0},
+{3,1,1,1,1,1,-1}
+};
+static const double dashes_cap[5][7]={
+{-1,0,0,0,0,0,0},
+{2,2,-1,0,0,0,0},
+{0.01,1.99,-1,0,0,0,0},
+{2,2,0.01,1.99,-1,0,0},
+{2,2,0.01,1.99,0.01,1.99,-1}
+};
+static void draw_image_cb(void *data, int x, int y, int w, uchar *buf) {
+ struct callback_data *cb_data;
+ const uchar *curdata;
+
+ cb_data = (struct callback_data*)data;
+ int last = x+w;
+ curdata = cb_data->data + x*cb_data->D + y*cb_data->LD;
+ for (; x<last; x++) {
+ memcpy(buf, curdata, abs(cb_data->D));
+ buf += abs(cb_data->D);
+ curdata += cb_data->D;
+ }
+}
+
+
+Fl_Cairo_Graphics_Driver::Fl_Cairo_Graphics_Driver() : Fl_Graphics_Driver() {}
+
+Fl_Cairo_Graphics_Driver::~Fl_Cairo_Graphics_Driver() {}
+
+
+void Fl_Cairo_Graphics_Driver::rectf(int x, int y, int w, int h) {
+ cairo_rectangle(cairo_, x, y, w, h);
+ cairo_fill(cairo_);
+ check_status();
+}
+
+void Fl_Cairo_Graphics_Driver::rect(int x, int y, int w, int h) {
+ cairo_rectangle(cairo_, x, y, w, h);
+ cairo_stroke(cairo_);
+ check_status();
+}
+
+void Fl_Cairo_Graphics_Driver::line(int x1, int y1, int x2, int y2) {
+ cairo_new_path(cairo_);
+ cairo_move_to(cairo_, x1, y1);
+ cairo_line_to(cairo_, x2, y2);
+ cairo_stroke(cairo_);
+}
+
+void Fl_Cairo_Graphics_Driver::line(int x0, int y0, int x1, int y1, int x2, int y2) {
+ cairo_new_path(cairo_);
+ cairo_move_to(cairo_, x0, y0);
+ cairo_line_to(cairo_, x1, y1);
+ cairo_line_to(cairo_, x2, y2);
+ cairo_stroke(cairo_);
+}
+
+void Fl_Cairo_Graphics_Driver::xyline(int x, int y, int x1) {
+ cairo_move_to(cairo_, x, y);
+ cairo_line_to(cairo_, x1, y);
+ cairo_stroke(cairo_);
+ check_status();
+}
+
+void Fl_Cairo_Graphics_Driver::xyline(int x, int y, int x1, int y2) {
+ cairo_move_to(cairo_, x, y);
+ cairo_line_to(cairo_, x1, y);
+ cairo_line_to(cairo_, x1, y2);
+ cairo_stroke(cairo_);
+ check_status();
+}
+
+void Fl_Cairo_Graphics_Driver::xyline(int x, int y, int x1, int y2, int x3) {
+ cairo_move_to(cairo_, x, y);
+ cairo_line_to(cairo_, x1, y);
+ cairo_line_to(cairo_, x1, y2);
+ cairo_line_to(cairo_, x3, y2);
+ cairo_stroke(cairo_);
+ check_status();
+}
+
+void Fl_Cairo_Graphics_Driver::yxline(int x, int y, int y1) {
+ cairo_move_to(cairo_, x, y);
+ cairo_line_to(cairo_, x, y1);
+ cairo_stroke(cairo_);
+ check_status();
+}
+
+void Fl_Cairo_Graphics_Driver::yxline(int x, int y, int y1, int x2) {
+ cairo_move_to(cairo_, x, y);
+ cairo_line_to(cairo_, x, y1);
+ cairo_line_to(cairo_, x2, y1);
+ cairo_stroke(cairo_);
+ check_status();
+}
+
+void Fl_Cairo_Graphics_Driver::yxline(int x, int y, int y1, int x2, int y3) {
+ cairo_move_to(cairo_, x, y);
+ cairo_line_to(cairo_, x, y1);
+ cairo_line_to(cairo_, x2, y1);
+ cairo_line_to(cairo_, x2, y3);
+ cairo_stroke(cairo_);
+ check_status();
+}
+
+void Fl_Cairo_Graphics_Driver::loop(int x0, int y0, int x1, int y1, int x2, int y2) {
+ cairo_save(cairo_);
+ cairo_new_path(cairo_);
+ cairo_move_to(cairo_, x0, y0);
+ cairo_line_to(cairo_, x1, y1);
+ cairo_line_to(cairo_, x2, y2);
+ cairo_close_path(cairo_);
+ cairo_stroke(cairo_);
+ cairo_restore(cairo_);
+}
+
+void Fl_Cairo_Graphics_Driver::loop(int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3) {
+ cairo_save(cairo_);
+ cairo_new_path(cairo_);
+ cairo_move_to(cairo_, x0, y0);
+ cairo_line_to(cairo_, x1, y1);
+ cairo_line_to(cairo_, x2, y2);
+ cairo_line_to(cairo_, x3, y3);
+ cairo_close_path(cairo_);
+ cairo_stroke(cairo_);
+ cairo_restore(cairo_);
+
+}
+
+void Fl_Cairo_Graphics_Driver::polygon(int x0, int y0, int x1, int y1, int x2, int y2) {
+ cairo_save(cairo_);
+ cairo_new_path(cairo_);
+ cairo_move_to(cairo_, x0, y0);
+ cairo_line_to(cairo_, x1, y1);
+ cairo_line_to(cairo_, x2, y2);
+ cairo_close_path(cairo_);
+ cairo_fill(cairo_);
+ cairo_restore(cairo_);
+}
+
+void Fl_Cairo_Graphics_Driver::polygon(int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3) {
+ cairo_save(cairo_);
+ cairo_new_path(cairo_);
+ cairo_move_to(cairo_, x0, y0);
+ cairo_line_to(cairo_, x1, y1);
+ cairo_line_to(cairo_, x2, y2);
+ cairo_line_to(cairo_, x3, y3);
+ cairo_close_path(cairo_);
+ cairo_fill(cairo_);
+ cairo_restore(cairo_);
+}
+
+void Fl_Cairo_Graphics_Driver::line_style(int style, int width, char* dashes) {
+ linewidth_=width;
+ linestyle_=style;
+ if(dashes){
+ if(dashes != linedash_)
+ strcpy(linedash_,dashes);
+
+ } else
+ linedash_[0]=0;
+ char width0 = 0;
+ if (!width){
+ width=1; //for screen drawing compatibility
+ width0=1;
+ }
+ cairo_set_line_width(cairo_, width);
+
+ if(!style && (!dashes || !(*dashes)) && width0) //system lines
+ style = FL_CAP_SQUARE;
+
+ int cap = (style &0xf00);
+ cairo_line_cap_t c_cap;
+ if (cap == FL_CAP_SQUARE) c_cap = CAIRO_LINE_CAP_SQUARE;
+ else if (cap == FL_CAP_FLAT) c_cap = CAIRO_LINE_CAP_BUTT;
+ else if (cap == FL_CAP_ROUND) c_cap = CAIRO_LINE_CAP_ROUND;
+ else c_cap = CAIRO_LINE_CAP_BUTT;
+ cairo_set_line_cap(cairo_, c_cap);
+
+ int join = (style & 0xf000);
+ cairo_line_join_t c_join;
+ if (join == FL_JOIN_MITER) c_join = CAIRO_LINE_JOIN_MITER;
+ else if (join == FL_JOIN_ROUND)c_join = CAIRO_LINE_JOIN_ROUND;
+ else if (join == FL_JOIN_BEVEL) c_join = CAIRO_LINE_JOIN_BEVEL;
+ else c_join = CAIRO_LINE_JOIN_MITER;
+ cairo_set_line_join(cairo_, c_join);
+
+ double *ddashes = NULL;
+ int l = 0;
+ if (dashes && *dashes){
+ ddashes = new double[strlen(dashes)];
+ while (dashes[l]) {ddashes[l] = dashes[l]; l++; }
+ } else if (style & 0xff) {
+ ddashes = new double[6];
+ if (style & 0x200){ // round and square caps, dash length need to be adjusted
+ const double *dt = dashes_cap[style & 0xff];
+ while (*dt >= 0){
+ ddashes[l++] = width * (*dt);
+ dt++;
+ }
+ } else {
+ const int *ds = dashes_flat[style & 0xff];
+ while (*ds >= 0){
+ ddashes[l++] = width * (*ds);
+ ds++;
+ }
+ }
+ }
+ cairo_set_dash(cairo_, ddashes, l, 0);
+ delete[] ddashes;
+ check_status();
+}
+
+void Fl_Cairo_Graphics_Driver::color(unsigned char r, unsigned char g, unsigned char b) {
+ Fl_Graphics_Driver::color( fl_rgb_color(r, g, b) );
+ cr_ = r; cg_ = g; cb_ = b;
+ double fr, fg, fb;
+ fr = r/255.0;
+ fg = g/255.0;
+ fb = b/255.0;
+ cairo_set_source_rgb(cairo_, fr, fg, fb);
+ check_status();
+}
+
+void Fl_Cairo_Graphics_Driver::color(Fl_Color c) {
+ Fl::get_color(c, cr_, cg_, cb_);
+ Fl_Cairo_Graphics_Driver::color(cr_, cg_, cb_);
+}
+
+Fl_Color Fl_Cairo_Graphics_Driver::color() { return Fl_Graphics_Driver::color(); }
+
+void Fl_Cairo_Graphics_Driver::draw(int rotation, const char *str, int n, int x, int y)
+{
+ cairo_save(cairo_);
+ cairo_translate(cairo_, x, y);
+ cairo_rotate(cairo_, -rotation * M_PI / 180);
+ this->transformed_draw(str, n, 0, 0);
+ cairo_restore(cairo_);
+}
+
+void Fl_Cairo_Graphics_Driver::transformed_draw(const char* str, int n, double x, double y) {
+ if (!n) return;
+ pango_layout_set_font_description(pango_layout_, pango_font_description(Fl_Graphics_Driver::font()));
+ int pwidth, pheight;
+ cairo_save(cairo_);
+ pango_layout_set_text(pango_layout_, str, n);
+ pango_layout_get_size(pango_layout_, &pwidth, &pheight);
+ if (pwidth > 0) {
+ double s = width(str, n);
+ cairo_translate(cairo_, x, y - height() + descent());
+ s = (s/pwidth) * PANGO_SCALE;
+ cairo_scale(cairo_, s, s);
+ pango_cairo_show_layout(cairo_, pango_layout_);
+ }
+ cairo_restore(cairo_);
+ check_status();
+}
+
+void Fl_Cairo_Graphics_Driver::rtl_draw(const char* str, int n, int x, int y) {
+ int w = (int)width(str, n);
+ transformed_draw(str, n, x - w, y);
+}
+
+void Fl_Cairo_Graphics_Driver::concat(){
+ cairo_matrix_t mat = {fl_matrix->a , fl_matrix->b , fl_matrix->c , fl_matrix->d , fl_matrix->x , fl_matrix->y};
+ cairo_transform(cairo_, &mat);
+}
+
+void Fl_Cairo_Graphics_Driver::reconcat(){
+ cairo_matrix_t mat = {fl_matrix->a , fl_matrix->b , fl_matrix->c , fl_matrix->d , fl_matrix->x , fl_matrix->y};
+ cairo_status_t stat = cairo_matrix_invert(&mat);
+ if (stat != CAIRO_STATUS_SUCCESS) {
+ fputs("error in cairo_matrix_invert\n", stderr);
+ }
+ cairo_transform(cairo_, &mat);
+}
+
+void Fl_Cairo_Graphics_Driver::begin_points() {
+ cairo_save(cairo_);
+ concat();
+ cairo_new_path(cairo_);
+ gap_=1;
+ shape_=POINTS;
+}
+
+void Fl_Cairo_Graphics_Driver::begin_line() {
+ cairo_save(cairo_);
+ concat();
+ cairo_new_path(cairo_);
+ gap_=1;
+ shape_=LINE;
+}
+
+void Fl_Cairo_Graphics_Driver::begin_loop() {
+ cairo_save(cairo_);
+ concat();
+ cairo_new_path(cairo_);
+ gap_=1;
+ shape_=LOOP;
+}
+
+void Fl_Cairo_Graphics_Driver::begin_polygon() {
+ cairo_save(cairo_);
+ concat();
+ cairo_new_path(cairo_);
+ gap_=1;
+ shape_=POLYGON;
+}
+
+void Fl_Cairo_Graphics_Driver::vertex(double x, double y) {
+ if(shape_==POINTS){
+ cairo_move_to(cairo_, x, y);
+ gap_=1;
+ return;
+ }
+ if(gap_){
+ cairo_move_to(cairo_, x, y);
+ gap_=0;
+ }else
+ cairo_line_to(cairo_, x, y);
+}
+
+void Fl_Cairo_Graphics_Driver::curve(double x, double y, double x1, double y1, double x2, double y2, double x3, double y3)
+{
+ if(shape_==NONE) return;
+ if(gap_)
+ cairo_move_to(cairo_, x, y);
+ else
+ cairo_line_to(cairo_, x, y);
+ gap_=0;
+ cairo_curve_to(cairo_, x1 , y1 , x2 , y2 , x3 , y3);
+}
+
+void Fl_Cairo_Graphics_Driver::circle(double x, double y, double r){
+ if (shape_==NONE){
+ cairo_save(cairo_);
+ concat();
+ cairo_arc(cairo_, x, y, r, 0, 2*M_PI);
+ reconcat();
+ cairo_restore(cairo_);
+ } else
+ cairo_arc(cairo_, x, y, r, 0, 2*M_PI);
+}
+
+void Fl_Cairo_Graphics_Driver::arc(double x, double y, double r, double start, double a){
+ if (shape_==NONE) return;
+ gap_ = 0;
+ if(start > a)
+ cairo_arc(cairo_, x, y, r, -start*M_PI/180, -a*M_PI/180);
+ else
+ cairo_arc_negative(cairo_, x, y, r, -start*M_PI/180, -a*M_PI/180);
+}
+
+void Fl_Cairo_Graphics_Driver::arc(int x, int y, int w, int h, double a1, double a2) {
+ if (w <= 1 || h <= 1) return;
+ cairo_save(cairo_);
+ begin_line();
+ cairo_translate(cairo_, x + w/2.0 -0.5 , y + h/2.0 - 0.5);
+ cairo_scale(cairo_, (w-1)/2.0 , (h-1)/2.0);
+ arc(0,0,1,a2,a1);
+ cairo_scale(cairo_, 2.0/(w-1) , 2.0/(h-1));
+ cairo_translate(cairo_, -x - w/2.0 +0.5 , -y - h/2.0 +0.5);
+ end_line();
+ cairo_restore(cairo_);
+}
+
+void Fl_Cairo_Graphics_Driver::pie(int x, int y, int w, int h, double a1, double a2) {
+ cairo_save(cairo_);
+ begin_polygon();
+ cairo_translate(cairo_, x + w/2.0 -0.5 , y + h/2.0 - 0.5);
+ cairo_scale(cairo_, (w-1)/2.0 , (h-1)/2.0);
+ vertex(0,0);
+ arc(0.0,0.0, 1, a2, a1);
+ end_polygon();
+ cairo_restore(cairo_);
+}
+
+void Fl_Cairo_Graphics_Driver::end_points() {
+ end_line();
+}
+
+void Fl_Cairo_Graphics_Driver::end_line() {
+ gap_=1;
+ reconcat();
+ cairo_stroke(cairo_);
+ cairo_restore(cairo_);
+ shape_=NONE;
+}
+
+void Fl_Cairo_Graphics_Driver::end_loop(){
+ gap_=1;
+ reconcat();
+ cairo_close_path(cairo_);
+ cairo_stroke(cairo_);
+ cairo_restore(cairo_);
+ shape_=NONE;
+}
+
+void Fl_Cairo_Graphics_Driver::end_polygon() {
+ gap_=1;
+ reconcat();
+ cairo_close_path(cairo_);
+ cairo_fill(cairo_);
+ cairo_restore(cairo_);
+ shape_=NONE;
+}
+
+void Fl_Cairo_Graphics_Driver::transformed_vertex(double x, double y) {
+ reconcat();
+ if(gap_){
+ cairo_move_to(cairo_, x, y);
+ gap_=0;
+ }else
+ cairo_line_to(cairo_, x, y);
+ concat();
+}
+
+void Fl_Cairo_Graphics_Driver::push_clip(int x, int y, int w, int h) {
+ Clip * c=new Clip();
+ clip_box(x,y,w,h,c->x,c->y,c->w,c->h);
+ c->prev=clip_;
+ clip_=c;
+ cairo_save(cairo_);
+ cairo_rectangle(cairo_, clip_->x-0.5 , clip_->y-0.5 , clip_->w , clip_->h);
+ cairo_clip(cairo_);
+ check_status();
+}
+
+void Fl_Cairo_Graphics_Driver::push_no_clip() {
+ Clip * c = new Clip();
+ c->prev=clip_;
+ clip_=c;
+ clip_->x = clip_->y = clip_->w = clip_->h = -1;
+ cairo_save(cairo_);
+ cairo_reset_clip(cairo_);
+ check_status();
+}
+
+void Fl_Cairo_Graphics_Driver::pop_clip() {
+ if(!clip_)return;
+ Clip * c=clip_;
+ clip_=clip_->prev;
+ delete c;
+ cairo_restore(cairo_);
+ check_status();
+}
+
+void Fl_Cairo_Graphics_Driver::ps_origin(int x, int y) {
+ cairo_restore(cairo_);
+ cairo_restore(cairo_);
+ cairo_save(cairo_);
+ cairo_scale(cairo_, scale_x, scale_y);
+ cairo_translate(cairo_, x, y);
+ cairo_rotate(cairo_, angle * M_PI / 180);
+ cairo_save(cairo_);
+ check_status();
+}
+
+void Fl_Cairo_Graphics_Driver::ps_translate(int x, int y)
+{
+ cairo_save(cairo_);
+ cairo_translate(cairo_, x, y);
+ cairo_save(cairo_);
+ check_status();
+}
+
+void Fl_Cairo_Graphics_Driver::ps_untranslate(void)
+{
+ cairo_restore(cairo_);
+ cairo_restore(cairo_);
+ check_status();
+}
+
+void Fl_Cairo_Graphics_Driver::check_status(void) {
+#ifdef DEBUG
+ if (cairo_status(cairo_) != CAIRO_STATUS_SUCCESS) {
+ fprintf(stderr,"we have a problem");
+ }
+#endif
+}
+
+void Fl_Cairo_Graphics_Driver::draw_image(Fl_Draw_Image_Cb call, void *data, int ix, int iy, int iw, int ih, int D)
+{
+ uchar *array = new uchar[iw * D * ih];
+ for (int l = 0; l < ih; l++) {
+ call(data, 0, l, iw, array + l*D*iw);
+ if (D%2 == 0) for (int i = 0; i < iw; i++) {
+ *(array + l*D*iw + i*D + D-1) = 0xff;
+ }
+ }
+ Fl_RGB_Image *rgb = new Fl_RGB_Image(array, iw, ih, D);
+ rgb->alloc_array = 1;
+ draw_rgb(rgb, ix, iy, iw, ih, 0, 0);
+ delete rgb;
+}
+
+void Fl_Cairo_Graphics_Driver::draw_image_mono(const uchar *data, int ix, int iy, int iw, int ih, int D, int LD)
+{
+ struct callback_data cb_data;
+ if (!LD) LD = iw*abs(D);
+ if (D<0) data += iw*abs(D);
+ cb_data.data = data;
+ cb_data.D = D;
+ cb_data.LD = LD;
+ draw_image(draw_image_cb, &cb_data, ix, iy, iw, ih, abs(D));
+}
+
+void Fl_Cairo_Graphics_Driver::draw_image_mono(Fl_Draw_Image_Cb call, void *data, int ix, int iy, int iw, int ih, int D)
+{
+ draw_image(call, data, ix, iy, iw, ih, D);
+}
+
+static void destroy_BGRA(void *data) {
+ delete[] (uchar*)data;
+}
+
+void Fl_Cairo_Graphics_Driver::draw_pixmap(Fl_Pixmap *pxm,int XP, int YP, int WP, int HP, int cx, int cy) {
+ Fl_RGB_Image *rgb = new Fl_RGB_Image(pxm);
+ draw_rgb_bitmap_(rgb, XP, YP, WP, HP, cx, cy);
+ delete rgb;
+}
+
+void Fl_Cairo_Graphics_Driver::draw_rgb(Fl_RGB_Image *rgb,int XP, int YP, int WP, int HP, int cx, int cy) {
+ draw_rgb_bitmap_(rgb, XP, YP, WP, HP, cx, cy);
+}
+
+void Fl_Cairo_Graphics_Driver::draw_bitmap(Fl_Bitmap *bitmap,int XP, int YP, int WP, int HP, int cx, int cy) {
+ draw_rgb_bitmap_(bitmap, XP, YP, WP, HP, cx, cy);
+}
+
+void Fl_Cairo_Graphics_Driver::draw_rgb_bitmap_(Fl_Image *img,int XP, int YP, int WP, int HP, int cx, int cy)
+{
+ cairo_surface_t *surf;
+ cairo_format_t format = (img->d() >= 1 ? CAIRO_FORMAT_ARGB32 : CAIRO_FORMAT_A1);
+ int stride = cairo_format_stride_for_width(format, img->data_w());
+ uchar *BGRA = new uchar[stride * img->data_h()];
+ memset(BGRA, 0, stride * img->data_h());
+ if (img->d() >= 1) { // process Fl_RGB_Image of all depths
+ Fl_RGB_Image *rgb = (Fl_RGB_Image*)img;
+ int lrgb = rgb->ld() ? rgb->ld() : rgb->data_w() * rgb->d();
+ uchar A = 0xff, R,G,B, *q;
+ const uchar *r;
+ float f = 1;
+ if (rgb->d() >= 3) { // color images
+ for (int j = 0; j < rgb->data_h(); j++) {
+ r = rgb->array + j * lrgb;
+ q = BGRA + j * stride;
+ for (int i = 0; i < rgb->data_w(); i++) {
+ R = *r;
+ G = *(r+1);
+ B = *(r+2);
+ if (rgb->d() == 4) {
+ A = *(r+3);
+ f = float(A)/0xff;
+ }
+ *q = B * f;
+ *(q+1) = G * f;
+ *(q+2) = R * f;
+ *(q+3) = A;
+ r += rgb->d(); q += 4;
+ }
+ }
+ } else if (rgb->d() == 1 || rgb->d() == 2) { // B&W
+ for (int j = 0; j < rgb->data_h(); j++) {
+ r = rgb->array + j * lrgb;
+ q = BGRA + j * stride;
+ for (int i = 0; i < rgb->data_w(); i++) {
+ G = *r;
+ if (rgb->d() == 2) {
+ A = *(r+1);
+ f = float(A)/0xff;
+ }
+ *(q) = G * f;
+ *(q+1) = G * f;
+ *(q+2) = G * f;
+ *(q+3) = A;
+ r += rgb->d(); q += 4;
+ }
+ }
+ }
+ } else {
+ Fl_Bitmap *bm = (Fl_Bitmap*)img;
+ uchar *r, p;
+ unsigned *q;
+ for (int j = 0; j < bm->data_h(); j++) {
+ r = (uchar*)bm->array + j * ((bm->data_w() + 7)/8);
+ q = (unsigned*)(BGRA + j * stride);
+ unsigned k = 0, mask32 = 1;
+ p = *r;
+ for (int i = 0; i < bm->data_w(); i++) {
+ if (p&1) (*q) |= mask32;
+ k++;
+ if (k % 8 != 0) p >>= 1; else p = *(++r);
+ if (k % 32 != 0) mask32 <<= 1; else {q++; mask32 = 1;}
+ }
+ }
+ }
+ surf = cairo_image_surface_create_for_data(BGRA, format, img->data_w(), img->data_h(), stride);
+ if (cairo_surface_status(surf) == CAIRO_STATUS_SUCCESS) {
+ static cairo_user_data_key_t key = {};
+ (void)cairo_surface_set_user_data(surf, &key, BGRA, destroy_BGRA);
+ cairo_pattern_t *pat = cairo_pattern_create_for_surface(surf);
+ cairo_save(cairo_);
+ cairo_rectangle(cairo_, XP-0.5, YP-0.5, WP+1, HP+1);
+ cairo_clip(cairo_);
+ if (img->d() >= 1) cairo_set_source(cairo_, pat);
+ cairo_matrix_t matrix;
+ cairo_matrix_init_scale(&matrix, double(img->data_w())/(img->w()+1), double(img->data_h())/(img->h()+1));
+ cairo_matrix_translate(&matrix, -XP+0.5+cx, -YP+0.5+cy);
+ cairo_pattern_set_matrix(pat, &matrix);
+ cairo_mask(cairo_, pat);
+ cairo_pattern_destroy(pat);
+ cairo_surface_destroy(surf);
+ cairo_restore(cairo_);
+ check_status();
+ }
+}
+
+#endif // USE_PANGO
diff --git src/drivers/PostScript/Fl_PostScript.cxx src/drivers/PostScript/Fl_PostScript.cxx
index 53811d6..c041923 100644
--- src/drivers/PostScript/Fl_PostScript.cxx
+++ src/drivers/PostScript/Fl_PostScript.cxx
@@ -100,6 +100,7 @@ Fl_PostScript_File_Device::~Fl_PostScript_File_Device() {
\{
*/
+#if ! USE_PANGO
static const int dashes_flat[5][7]={
{-1,0,0,0,0,0,0},
{3,1,-1,0,0,0,0},
@@ -116,6 +117,7 @@ static const double dashes_cap[5][7]={
{2,2,0.01,1.99,-1,0,0},
{2,2,0.01,1.99,0.01,1.99,-1}
};
+#endif
/**
\brief The constructor.
@@ -1500,448 +1502,8 @@ int Fl_PostScript_Graphics_Driver::start_eps(int width, int height) {
return 0;
}
-void Fl_PostScript_Graphics_Driver::rectf(int x, int y, int w, int h) {
- cairo_rectangle(cairo_, x, y, w, h);
- cairo_fill(cairo_);
- check_status();
-}
-
-void Fl_PostScript_Graphics_Driver::rect(int x, int y, int w, int h) {
- cairo_rectangle(cairo_, x, y, w, h);
- cairo_stroke(cairo_);
- check_status();
-}
-
-void Fl_PostScript_Graphics_Driver::line(int x1, int y1, int x2, int y2) {
- cairo_new_path(cairo_);
- cairo_move_to(cairo_, x1, y1);
- cairo_line_to(cairo_, x2, y2);
- cairo_stroke(cairo_);
-}
-
-void Fl_PostScript_Graphics_Driver::line(int x0, int y0, int x1, int y1, int x2, int y2) {
- cairo_new_path(cairo_);
- cairo_move_to(cairo_, x0, y0);
- cairo_line_to(cairo_, x1, y1);
- cairo_line_to(cairo_, x2, y2);
- cairo_stroke(cairo_);
-}
-
-void Fl_PostScript_Graphics_Driver::xyline(int x, int y, int x1) {
- cairo_move_to(cairo_, x, y);
- cairo_line_to(cairo_, x1, y);
- cairo_stroke(cairo_);
- check_status();
-}
-
-void Fl_PostScript_Graphics_Driver::xyline(int x, int y, int x1, int y2) {
- cairo_move_to(cairo_, x, y);
- cairo_line_to(cairo_, x1, y);
- cairo_line_to(cairo_, x1, y2);
- cairo_stroke(cairo_);
- check_status();
-}
-
-void Fl_PostScript_Graphics_Driver::xyline(int x, int y, int x1, int y2, int x3) {
- cairo_move_to(cairo_, x, y);
- cairo_line_to(cairo_, x1, y);
- cairo_line_to(cairo_, x1, y2);
- cairo_line_to(cairo_, x3, y2);
- cairo_stroke(cairo_);
- check_status();
-}
-
-void Fl_PostScript_Graphics_Driver::yxline(int x, int y, int y1) {
- cairo_move_to(cairo_, x, y);
- cairo_line_to(cairo_, x, y1);
- cairo_stroke(cairo_);
- check_status();
-}
-
-void Fl_PostScript_Graphics_Driver::yxline(int x, int y, int y1, int x2) {
- cairo_move_to(cairo_, x, y);
- cairo_line_to(cairo_, x, y1);
- cairo_line_to(cairo_, x2, y1);
- cairo_stroke(cairo_);
- check_status();
-}
-
-void Fl_PostScript_Graphics_Driver::yxline(int x, int y, int y1, int x2, int y3) {
- cairo_move_to(cairo_, x, y);
- cairo_line_to(cairo_, x, y1);
- cairo_line_to(cairo_, x2, y1);
- cairo_line_to(cairo_, x2, y3);
- cairo_stroke(cairo_);
- check_status();
-}
-
-void Fl_PostScript_Graphics_Driver::loop(int x0, int y0, int x1, int y1, int x2, int y2) {
- cairo_save(cairo_);
- cairo_new_path(cairo_);
- cairo_move_to(cairo_, x0, y0);
- cairo_line_to(cairo_, x1, y1);
- cairo_line_to(cairo_, x2, y2);
- cairo_close_path(cairo_);
- cairo_stroke(cairo_);
- cairo_restore(cairo_);
-}
-
-void Fl_PostScript_Graphics_Driver::loop(int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3) {
- cairo_save(cairo_);
- cairo_new_path(cairo_);
- cairo_move_to(cairo_, x0, y0);
- cairo_line_to(cairo_, x1, y1);
- cairo_line_to(cairo_, x2, y2);
- cairo_line_to(cairo_, x3, y3);
- cairo_close_path(cairo_);
- cairo_stroke(cairo_);
- cairo_restore(cairo_);
-
-}
-
-void Fl_PostScript_Graphics_Driver::polygon(int x0, int y0, int x1, int y1, int x2, int y2) {
- cairo_save(cairo_);
- cairo_new_path(cairo_);
- cairo_move_to(cairo_, x0, y0);
- cairo_line_to(cairo_, x1, y1);
- cairo_line_to(cairo_, x2, y2);
- cairo_close_path(cairo_);
- cairo_fill(cairo_);
- cairo_restore(cairo_);
-}
-
-void Fl_PostScript_Graphics_Driver::polygon(int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3) {
- cairo_save(cairo_);
- cairo_new_path(cairo_);
- cairo_move_to(cairo_, x0, y0);
- cairo_line_to(cairo_, x1, y1);
- cairo_line_to(cairo_, x2, y2);
- cairo_line_to(cairo_, x3, y3);
- cairo_close_path(cairo_);
- cairo_fill(cairo_);
- cairo_restore(cairo_);
-}
-
-void Fl_PostScript_Graphics_Driver::line_style(int style, int width, char* dashes) {
- linewidth_=width;
- linestyle_=style;
- if(dashes){
- if(dashes != linedash_)
- strcpy(linedash_,dashes);
-
- } else
- linedash_[0]=0;
- char width0 = 0;
- if (!width){
- width=1; //for screen drawing compatibility
- width0=1;
- }
- cairo_set_line_width(cairo_, width);
-
- if(!style && (!dashes || !(*dashes)) && width0) //system lines
- style = FL_CAP_SQUARE;
-
- int cap = (style &0xf00);
- cairo_line_cap_t c_cap;
- if (cap == FL_CAP_SQUARE) c_cap = CAIRO_LINE_CAP_SQUARE;
- else if (cap == FL_CAP_FLAT) c_cap = CAIRO_LINE_CAP_BUTT;
- else if (cap == FL_CAP_ROUND) c_cap = CAIRO_LINE_CAP_ROUND;
- else c_cap = CAIRO_LINE_CAP_BUTT;
- cairo_set_line_cap(cairo_, c_cap);
-
- int join = (style & 0xf000);
- cairo_line_join_t c_join;
- if (join == FL_JOIN_MITER) c_join = CAIRO_LINE_JOIN_MITER;
- else if (join == FL_JOIN_ROUND)c_join = CAIRO_LINE_JOIN_ROUND;
- else if (join == FL_JOIN_BEVEL) c_join = CAIRO_LINE_JOIN_BEVEL;
- else c_join = CAIRO_LINE_JOIN_MITER;
- cairo_set_line_join(cairo_, c_join);
-
- double *ddashes = NULL;
- int l = 0;
- if (dashes && *dashes){
- ddashes = new double[strlen(dashes)];
- while (dashes[l]) {ddashes[l] = dashes[l]; l++; }
- } else if (style & 0xff) {
- ddashes = new double[6];
- if (style & 0x200){ // round and square caps, dash length need to be adjusted
- const double *dt = dashes_cap[style & 0xff];
- while (*dt >= 0){
- ddashes[l++] = width * (*dt);
- dt++;
- }
- } else {
- const int *ds = dashes_flat[style & 0xff];
- while (*ds >= 0){
- ddashes[l++] = width * (*ds);
- ds++;
- }
- }
- }
- cairo_set_dash(cairo_, ddashes, l, 0);
- delete[] ddashes;
- check_status();
-}
-
-void Fl_PostScript_Graphics_Driver::color(unsigned char r, unsigned char g, unsigned char b) {
- Fl_Graphics_Driver::color( fl_rgb_color(r, g, b) );
- cr_ = r; cg_ = g; cb_ = b;
- double fr, fg, fb;
- fr = r/255.0;
- fg = g/255.0;
- fb = b/255.0;
- cairo_set_source_rgb(cairo_, fr, fg, fb);
- check_status();
-}
-
-void Fl_PostScript_Graphics_Driver::draw(int rotation, const char *str, int n, int x, int y)
-{
- cairo_save(cairo_);
- cairo_translate(cairo_, x, y);
- cairo_rotate(cairo_, -rotation * M_PI / 180);
- this->transformed_draw(str, n, 0, 0);
- cairo_restore(cairo_);
-}
-
-void Fl_PostScript_Graphics_Driver::transformed_draw(const char* str, int n, double x, double y) {
- if (!n) return;
- pango_layout_set_font_description(pango_layout_, Fl_Xlib_Graphics_Driver::pango_font_description(Fl_Graphics_Driver::font()));
- int pwidth, pheight;
- cairo_save(cairo_);
- pango_layout_set_text(pango_layout_, str, n);
- pango_layout_get_size(pango_layout_, &pwidth, &pheight);
- if (pwidth > 0) {
- double s = width(str, n);
- cairo_translate(cairo_, x, y - height() + descent());
- s = (s/pwidth) * PANGO_SCALE;
- cairo_scale(cairo_, s, s);
- pango_cairo_show_layout(cairo_, pango_layout_);
- }
- cairo_restore(cairo_);
- check_status();
-}
-
-void Fl_PostScript_Graphics_Driver::rtl_draw(const char* str, int n, int x, int y) {
- int w = (int)width(str, n);
- transformed_draw(str, n, x - w, y);
-}
-
-void Fl_PostScript_Graphics_Driver::concat(){
- cairo_matrix_t mat = {fl_matrix->a , fl_matrix->b , fl_matrix->c , fl_matrix->d , fl_matrix->x , fl_matrix->y};
- cairo_transform(cairo_, &mat);
-}
-
-void Fl_PostScript_Graphics_Driver::reconcat(){
- cairo_matrix_t mat = {fl_matrix->a , fl_matrix->b , fl_matrix->c , fl_matrix->d , fl_matrix->x , fl_matrix->y};
- cairo_status_t stat = cairo_matrix_invert(&mat);
- if (stat != CAIRO_STATUS_SUCCESS) {
- fputs("error in cairo_matrix_invert\n", stderr);
- }
- cairo_transform(cairo_, &mat);
-}
-
-void Fl_PostScript_Graphics_Driver::begin_points() {
- cairo_save(cairo_);
- concat();
- cairo_new_path(cairo_);
- gap_=1;
- shape_=POINTS;
-}
-
-void Fl_PostScript_Graphics_Driver::begin_line() {
- cairo_save(cairo_);
- concat();
- cairo_new_path(cairo_);
- gap_=1;
- shape_=LINE;
-}
-
-void Fl_PostScript_Graphics_Driver::begin_loop() {
- cairo_save(cairo_);
- concat();
- cairo_new_path(cairo_);
- gap_=1;
- shape_=LOOP;
-}
-
-void Fl_PostScript_Graphics_Driver::begin_polygon() {
- cairo_save(cairo_);
- concat();
- cairo_new_path(cairo_);
- gap_=1;
- shape_=POLYGON;
-}
-
-void Fl_PostScript_Graphics_Driver::vertex(double x, double y) {
- if(shape_==POINTS){
- cairo_move_to(cairo_, x, y);
- gap_=1;
- return;
- }
- if(gap_){
- cairo_move_to(cairo_, x, y);
- gap_=0;
- }else
- cairo_line_to(cairo_, x, y);
-}
-
-void Fl_PostScript_Graphics_Driver::curve(double x, double y, double x1, double y1, double x2, double y2, double x3, double y3)
-{
- if(shape_==NONE) return;
- if(gap_)
- cairo_move_to(cairo_, x, y);
- else
- cairo_line_to(cairo_, x, y);
- gap_=0;
- cairo_curve_to(cairo_, x1 , y1 , x2 , y2 , x3 , y3);
-}
-
-void Fl_PostScript_Graphics_Driver::circle(double x, double y, double r){
- if (shape_==NONE){
- cairo_save(cairo_);
- concat();
- cairo_arc(cairo_, x, y, r, 0, 2*M_PI);
- reconcat();
- cairo_restore(cairo_);
- } else
- cairo_arc(cairo_, x, y, r, 0, 2*M_PI);
-}
-
-void Fl_PostScript_Graphics_Driver::arc(double x, double y, double r, double start, double a){
- if (shape_==NONE) return;
- gap_ = 0;
- if(start > a)
- cairo_arc(cairo_, x, y, r, -start*M_PI/180, -a*M_PI/180);
- else
- cairo_arc_negative(cairo_, x, y, r, -start*M_PI/180, -a*M_PI/180);
-}
-
-void Fl_PostScript_Graphics_Driver::arc(int x, int y, int w, int h, double a1, double a2) {
- if (w <= 1 || h <= 1) return;
- cairo_save(cairo_);
- begin_line();
- cairo_translate(cairo_, x + w/2.0 -0.5 , y + h/2.0 - 0.5);
- cairo_scale(cairo_, (w-1)/2.0 , (h-1)/2.0);
- arc(0,0,1,a2,a1);
- cairo_scale(cairo_, 2.0/(w-1) , 2.0/(h-1));
- cairo_translate(cairo_, -x - w/2.0 +0.5 , -y - h/2.0 +0.5);
- end_line();
- cairo_restore(cairo_);
-}
-
-void Fl_PostScript_Graphics_Driver::pie(int x, int y, int w, int h, double a1, double a2) {
- cairo_save(cairo_);
- begin_polygon();
- cairo_translate(cairo_, x + w/2.0 -0.5 , y + h/2.0 - 0.5);
- cairo_scale(cairo_, (w-1)/2.0 , (h-1)/2.0);
- vertex(0,0);
- arc(0.0,0.0, 1, a2, a1);
- end_polygon();
- cairo_restore(cairo_);
-}
-
-void Fl_PostScript_Graphics_Driver::end_points() {
- end_line();
-}
-
-void Fl_PostScript_Graphics_Driver::end_line() {
- gap_=1;
- reconcat();
- cairo_stroke(cairo_);
- cairo_restore(cairo_);
- shape_=NONE;
-}
-
-void Fl_PostScript_Graphics_Driver::end_loop(){
- gap_=1;
- reconcat();
- cairo_close_path(cairo_);
- cairo_stroke(cairo_);
- cairo_restore(cairo_);
- shape_=NONE;
-}
-
-void Fl_PostScript_Graphics_Driver::end_polygon() {
- gap_=1;
- reconcat();
- cairo_close_path(cairo_);
- cairo_fill(cairo_);
- cairo_restore(cairo_);
- shape_=NONE;
-}
-
-void Fl_PostScript_Graphics_Driver::transformed_vertex(double x, double y) {
- reconcat();
- if(gap_){
- cairo_move_to(cairo_, x, y);
- gap_=0;
- }else
- cairo_line_to(cairo_, x, y);
- concat();
-}
-
-void Fl_PostScript_Graphics_Driver::push_clip(int x, int y, int w, int h) {
- Clip * c=new Clip();
- clip_box(x,y,w,h,c->x,c->y,c->w,c->h);
- c->prev=clip_;
- clip_=c;
- cairo_save(cairo_);
- cairo_rectangle(cairo_, clip_->x-0.5 , clip_->y-0.5 , clip_->w , clip_->h);
- cairo_clip(cairo_);
- check_status();
-}
-
-void Fl_PostScript_Graphics_Driver::push_no_clip() {
- Clip * c = new Clip();
- c->prev=clip_;
- clip_=c;
- clip_->x = clip_->y = clip_->w = clip_->h = -1;
- cairo_save(cairo_);
- cairo_reset_clip(cairo_);
- check_status();
-}
-
-void Fl_PostScript_Graphics_Driver::pop_clip() {
- if(!clip_)return;
- Clip * c=clip_;
- clip_=clip_->prev;
- delete c;
- cairo_restore(cairo_);
- check_status();
-}
-
-void Fl_PostScript_Graphics_Driver::ps_origin(int x, int y) {
- cairo_restore(cairo_);
- cairo_restore(cairo_);
- cairo_save(cairo_);
- cairo_scale(cairo_, scale_x, scale_y);
- cairo_translate(cairo_, x, y);
- cairo_rotate(cairo_, angle * M_PI / 180);
- cairo_save(cairo_);
- check_status();
-}
-
-void Fl_PostScript_Graphics_Driver::ps_translate(int x, int y)
-{
- cairo_save(cairo_);
- cairo_translate(cairo_, x, y);
- cairo_save(cairo_);
- check_status();
-}
-
-void Fl_PostScript_Graphics_Driver::ps_untranslate(void)
-{
- cairo_restore(cairo_);
- cairo_restore(cairo_);
- check_status();
-}
-
-void Fl_PostScript_Graphics_Driver::check_status(void) {
-#ifdef DEBUG
- if (cairo_status(cairo_) != CAIRO_STATUS_SUCCESS) {
- fprintf(stderr,"we have a problem");
- }
-#endif
+PangoFontDescription* Fl_PostScript_Graphics_Driver::pango_font_description(Fl_Font fnum) {
+ return Fl_Xlib_Graphics_Driver::pango_font_description(fnum);
}
#endif // USE_PANGO
diff --git src/drivers/PostScript/Fl_PostScript_Graphics_Driver.H src/drivers/PostScript/Fl_PostScript_Graphics_Driver.H
index 80019fd..5c15e0e 100644
--- src/drivers/PostScript/Fl_PostScript_Graphics_Driver.H
+++ src/drivers/PostScript/Fl_PostScript_Graphics_Driver.H
@@ -28,11 +28,6 @@
#define USE_PANGO 0
#endif
-#if USE_PANGO
-typedef struct _cairo cairo_t;
-typedef struct _PangoLayout PangoLayout;
-#endif
-
/**
\cond DriverDev
\addtogroup DriverDeveloper
@@ -42,14 +37,51 @@ typedef struct _PangoLayout PangoLayout;
/**
PostScript graphical backend.
*/
+#if USE_PANGO
+
+#include "../Cairo/Fl_Cairo_Graphics_Driver.H"
+
+class FL_EXPORT Fl_PostScript_Graphics_Driver : public Fl_Cairo_Graphics_Driver {
+public:
+ FILE *output;
+ Fl_PostScript_Close_Command close_cmd_;
+ enum Fl_Paged_Device::Page_Format page_format_;
+ char *ps_filename_;
+ int nPages;
+
+ Fl_PostScript_Graphics_Driver();
+ ~Fl_PostScript_Graphics_Driver();
+ void close_command(Fl_PostScript_Close_Command cmd){close_cmd_=cmd;};
+ FILE * file() {return output;};
+ void page(double pw, double ph, int media = 0);
+ void page(int format);
+ int start_postscript (int pagecount, enum Fl_Paged_Device::Page_Format format, enum Fl_Paged_Device::Page_Layout layout);
+ int start_eps(int width, int height);
+ void draw_image(const uchar *data, int ix, int iy, int iw, int ih, int D, int LD);
+ void draw_image(Fl_Draw_Image_Cb call, void* data, int x,int y, int w, int h, int delta=3) {
+ Fl_Cairo_Graphics_Driver::draw_image(call, data, x,y,w,h,delta);
+ }
+ void font(int f, int s);
+ Fl_Font font();
+ double width(const char *s, int n);
+ double width(unsigned u);
+ int height();
+ int descent();
+ void text_extents(const char *c, int n, int &dx, int &dy, int &w, int &h);
+ void color(Fl_Color c);
+ void color(uchar r, uchar g, uchar b) {Fl_Cairo_Graphics_Driver::color(r,g,b);}
+ Fl_Color color();
+ void point(int x, int y);
+ int not_clipped(int x, int y, int w, int h);
+ int clip_box(int x, int y, int w, int h, int &X, int &Y, int &W, int &H);
+ virtual PangoFontDescription* pango_font_description(Fl_Font fnum);
+ virtual int has_feature(driver_feature feature_mask) { return feature_mask & PRINTER; }
+};
+
+#else // USE_PANGO
class FL_EXPORT Fl_PostScript_Graphics_Driver : public Fl_Graphics_Driver {
private:
-#if USE_PANGO
- cairo_t *cairo_;
- PangoLayout *pango_layout_;
- void draw_rgb_bitmap_(Fl_Image *img,int XP, int YP, int WP, int HP, int cx, int cy);
-#else
void transformed_draw_extra(const char* str, int n, double x, double y, int w, bool rtl);
void *prepare_rle85();
void write_rle85(uchar b, void *data);
@@ -58,14 +90,10 @@ private:
void write85(void *data, const uchar *p, int len);
void close85(void *data);
int scale_for_image_(Fl_Image *img, int XP, int YP, int WP, int HP,int cx, int cy);
-#endif
protected:
-#if ! USE_PANGO
uchar **mask_bitmap() {return &mask;}
-#endif
public:
Fl_PostScript_Graphics_Driver();
-#ifndef FL_DOXYGEN
enum SHAPE {NONE=0, LINE, LOOP, POLYGON, POINTS};
class Clip {
@@ -78,11 +106,6 @@ public:
int lang_level_;
int gap_;
int pages_;
-#if USE_PANGO
- cairo_t *cr() { return cairo_; }
- PangoLayout *pango_layout() {return pango_layout_;};
- void check_status(void);
-#else
int interpolate_; //interpolation of images
uchar * mask;
int mx; // width of mask;
@@ -98,7 +121,6 @@ public:
\return value returned by vfprintf() call
*/
int clocale_printf(const char *format, ...);
-#endif // USE_PANGO
enum SHAPE shape_;
int linewidth_;// need for clipping, lang level 1-2
@@ -141,7 +163,6 @@ public:
void page(double pw, double ph, int media = 0);
void page(int format);
-#endif // FL_DOXYGEN
// implementation of drawing methods
void color(Fl_Color c);
@@ -224,6 +245,7 @@ public:
void ps_untranslate();
};
+#endif // USE_PANGO
/**
\}
\endcond
diff --git src/drivers/PostScript/Fl_PostScript_image.cxx src/drivers/PostScript/Fl_PostScript_image.cxx
index 102c1d4..ae53aaa 100644
--- src/drivers/PostScript/Fl_PostScript_image.cxx
+++ src/drivers/PostScript/Fl_PostScript_image.cxx
@@ -635,145 +635,6 @@ int Fl_PostScript_Graphics_Driver::scale_for_image_(Fl_Image *img, int XP, int Y
return 0;
}
-#else // USE_PANGO
-
-void Fl_PostScript_Graphics_Driver::draw_image(Fl_Draw_Image_Cb call, void *data, int ix, int iy, int iw, int ih, int D)
-{
- uchar *array = new uchar[iw * D * ih];
- for (int l = 0; l < ih; l++) {
- call(data, 0, l, iw, array + l*D*iw);
- if (D%2 == 0) for (int i = 0; i < iw; i++) {
- *(array + l*D*iw + i*D + D-1) = 0xff;
- }
- }
- Fl_RGB_Image *rgb = new Fl_RGB_Image(array, iw, ih, D);
- rgb->alloc_array = 1;
- draw_rgb(rgb, ix, iy, iw, ih, 0, 0);
- delete rgb;
-}
-
-void Fl_PostScript_Graphics_Driver::draw_image_mono(const uchar *data, int ix, int iy, int iw, int ih, int D, int LD)
-{
- struct callback_data cb_data;
- if (!LD) LD = iw*abs(D);
- if (D<0) data += iw*abs(D);
- cb_data.data = data;
- cb_data.D = D;
- cb_data.LD = LD;
- draw_image(draw_image_cb, &cb_data, ix, iy, iw, ih, abs(D));
-}
-
-void Fl_PostScript_Graphics_Driver::draw_image_mono(Fl_Draw_Image_Cb call, void *data, int ix, int iy, int iw, int ih, int D)
-{
- draw_image(call, data, ix, iy, iw, ih, D);
-}
-
-static void destroy_BGRA(void *data) {
- delete[] (uchar*)data;
-}
-
-void Fl_PostScript_Graphics_Driver::draw_pixmap(Fl_Pixmap *pxm,int XP, int YP, int WP, int HP, int cx, int cy) {
- Fl_RGB_Image *rgb = new Fl_RGB_Image(pxm);
- draw_rgb_bitmap_(rgb, XP, YP, WP, HP, cx, cy);
- delete rgb;
-}
-
-void Fl_PostScript_Graphics_Driver::draw_rgb(Fl_RGB_Image *rgb,int XP, int YP, int WP, int HP, int cx, int cy) {
- draw_rgb_bitmap_(rgb, XP, YP, WP, HP, cx, cy);
-}
-
-void Fl_PostScript_Graphics_Driver::draw_bitmap(Fl_Bitmap *bitmap,int XP, int YP, int WP, int HP, int cx, int cy) {
- draw_rgb_bitmap_(bitmap, XP, YP, WP, HP, cx, cy);
-}
-
-void Fl_PostScript_Graphics_Driver::draw_rgb_bitmap_(Fl_Image *img,int XP, int YP, int WP, int HP, int cx, int cy)
-{
- cairo_surface_t *surf;
- cairo_format_t format = (img->d() >= 1 ? CAIRO_FORMAT_ARGB32 : CAIRO_FORMAT_A1);
- int stride = cairo_format_stride_for_width(format, img->data_w());
- uchar *BGRA = new uchar[stride * img->data_h()];
- memset(BGRA, 0, stride * img->data_h());
- if (img->d() >= 1) { // process Fl_RGB_Image of all depths
- Fl_RGB_Image *rgb = (Fl_RGB_Image*)img;
- int lrgb = rgb->ld() ? rgb->ld() : rgb->data_w() * rgb->d();
- uchar A = 0xff, R,G,B, *q;
- const uchar *r;
- float f = 1;
- if (rgb->d() >= 3) { // color images
- for (int j = 0; j < rgb->data_h(); j++) {
- r = rgb->array + j * lrgb;
- q = BGRA + j * stride;
- for (int i = 0; i < rgb->data_w(); i++) {
- R = *r;
- G = *(r+1);
- B = *(r+2);
- if (rgb->d() == 4) {
- A = *(r+3);
- f = float(A)/0xff;
- }
- *q = B * f;
- *(q+1) = G * f;
- *(q+2) = R * f;
- *(q+3) = A;
- r += rgb->d(); q += 4;
- }
- }
- } else if (rgb->d() == 1 || rgb->d() == 2) { // B&W
- for (int j = 0; j < rgb->data_h(); j++) {
- r = rgb->array + j * lrgb;
- q = BGRA + j * stride;
- for (int i = 0; i < rgb->data_w(); i++) {
- G = *r;
- if (rgb->d() == 2) {
- A = *(r+1);
- f = float(A)/0xff;
- }
- *(q) = G * f;
- *(q+1) = G * f;
- *(q+2) = G * f;
- *(q+3) = A;
- r += rgb->d(); q += 4;
- }
- }
- }
- } else {
- Fl_Bitmap *bm = (Fl_Bitmap*)img;
- uchar *r, p;
- unsigned *q;
- for (int j = 0; j < bm->data_h(); j++) {
- r = (uchar*)bm->array + j * ((bm->data_w() + 7)/8);
- q = (unsigned*)(BGRA + j * stride);
- unsigned k = 0, mask32 = 1;
- p = *r;
- for (int i = 0; i < bm->data_w(); i++) {
- if (p&1) (*q) |= mask32;
- k++;
- if (k % 8 != 0) p >>= 1; else p = *(++r);
- if (k % 32 != 0) mask32 <<= 1; else {q++; mask32 = 1;}
- }
- }
- }
- surf = cairo_image_surface_create_for_data(BGRA, format, img->data_w(), img->data_h(), stride);
- if (cairo_surface_status(surf) == CAIRO_STATUS_SUCCESS) {
- static cairo_user_data_key_t key = {};
- (void)cairo_surface_set_user_data(surf, &key, BGRA, destroy_BGRA);
- cairo_pattern_t *pat = cairo_pattern_create_for_surface(surf);
- cairo_save(cairo_);
- cairo_rectangle(cairo_, XP-0.5, YP-0.5, WP+1, HP+1);
- cairo_clip(cairo_);
- if (img->d() >= 1) cairo_set_source(cairo_, pat);
- cairo_matrix_t matrix;
- cairo_matrix_init_scale(&matrix, double(img->data_w())/(img->w()+1), double(img->data_h())/(img->h()+1));
- cairo_matrix_translate(&matrix, -XP+0.5+cx, -YP+0.5+cy);
- cairo_pattern_set_matrix(pat, &matrix);
- cairo_mask(cairo_, pat);
- cairo_pattern_destroy(pat);
- cairo_surface_destroy(surf);
- cairo_restore(cairo_);
- check_status();
- }
-}
-
#endif // USE_PANGO
#endif // !defined(FL_DOXYGEN) && !defined(FL_NO_PRINT_SUPPORT)
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