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path: root/src/drivers/Wayland/Fl_Wayland_Image_Surface_Driver.cxx
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Diffstat (limited to 'src/drivers/Wayland/Fl_Wayland_Image_Surface_Driver.cxx')
-rw-r--r--src/drivers/Wayland/Fl_Wayland_Image_Surface_Driver.cxx185
1 files changed, 0 insertions, 185 deletions
diff --git a/src/drivers/Wayland/Fl_Wayland_Image_Surface_Driver.cxx b/src/drivers/Wayland/Fl_Wayland_Image_Surface_Driver.cxx
deleted file mode 100644
index ec9c56cb7..000000000
--- a/src/drivers/Wayland/Fl_Wayland_Image_Surface_Driver.cxx
+++ /dev/null
@@ -1,185 +0,0 @@
-//
-// Draw-to-image code for the Fast Light Tool Kit (FLTK).
-//
-// Copyright 1998-2023 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
-//
-
-#include <FL/platform.H>
-#include "Fl_Wayland_Graphics_Driver.H"
-#include "Fl_Wayland_Window_Driver.H"
-#include "Fl_Wayland_Image_Surface_Driver.H"
-
-
-Fl_Wayland_Image_Surface_Driver::Fl_Wayland_Image_Surface_Driver(int w, int h,
- int high_res, Fl_Offscreen off) : Fl_Image_Surface_Driver(w, h, high_res, off) {
- shape_data_ = NULL;
- float s = 1;
- int d = 1;
- if (!off) {
- fl_open_display();
- if (Fl::first_window()) {
- d = Fl_Wayland_Window_Driver::driver(Fl::first_window())->wld_scale();
- }
- s = Fl_Graphics_Driver::default_driver().scale();
- if (d*s != 1 && high_res) {
- w = int(w * s) * d;
- h = int(h * s) * d;
- }
- struct Fl_Wayland_Graphics_Driver::draw_buffer *off_ =
- (struct Fl_Wayland_Graphics_Driver::draw_buffer*)calloc(1,
- sizeof(struct Fl_Wayland_Graphics_Driver::draw_buffer));
- Fl_Wayland_Graphics_Driver::cairo_init(off_, w, h,
- cairo_format_stride_for_width(CAIRO_FORMAT_RGB24, w), CAIRO_FORMAT_RGB24);
- offscreen = (Fl_Offscreen)off_->cairo_;
- cairo_set_user_data(off_->cairo_, &Fl_Wayland_Graphics_Driver::key, off_, NULL);
- if (d*s != 1 && high_res) cairo_scale((cairo_t*)offscreen, d*s, d*s);
- }
- driver(new Fl_Wayland_Graphics_Driver());
- if (d*s != 1 && high_res) driver()->scale(d*s);
-}
-
-
-Fl_Wayland_Image_Surface_Driver::~Fl_Wayland_Image_Surface_Driver() {
- if (shape_data_) {
- cairo_surface_t *surf;
- cairo_pattern_get_surface(shape_data_->mask_pattern_, &surf);
- unsigned char *bits = cairo_image_surface_get_data(surf);
- cairo_pattern_destroy(shape_data_->mask_pattern_);
- delete[] bits;
- struct Fl_Wayland_Graphics_Driver::draw_buffer *off_ =
- Fl_Wayland_Graphics_Driver::offscreen_buffer((Fl_Offscreen)shape_data_->bg_cr);
- delete[] off_->buffer;
- free(off_);
- cairo_destroy(shape_data_->bg_cr);
- free(shape_data_);
- }
- if (offscreen && !external_offscreen) {
- struct Fl_Wayland_Graphics_Driver::draw_buffer *buffer =
- Fl_Wayland_Graphics_Driver::offscreen_buffer(offscreen);
- cairo_destroy((cairo_t *)offscreen);
- delete[] buffer->buffer;
- free(buffer);
- }
- delete driver();
-}
-
-
-void Fl_Wayland_Image_Surface_Driver::set_current() {
- Fl_Surface_Device::set_current();
- Fl_Cairo_Graphics_Driver *dr = (Fl_Cairo_Graphics_Driver*)driver();
- if (!dr->cr()) dr->set_cairo((cairo_t*)offscreen);
- pre_window = Fl_Wayland_Window_Driver::wld_window;
- Fl_Wayland_Window_Driver::wld_window = NULL;
- fl_window = 0;
-}
-
-
-void Fl_Wayland_Image_Surface_Driver::end_current() {
- cairo_surface_t *surf = cairo_get_target((cairo_t*)offscreen);
- cairo_surface_flush(surf);
- Fl_Wayland_Window_Driver::wld_window = pre_window;
- fl_window = (Window)pre_window;
- Fl_Surface_Device::end_current();
-}
-
-
-void Fl_Wayland_Image_Surface_Driver::translate(int x, int y) {
- ((Fl_Wayland_Graphics_Driver*)driver())->ps_translate(x, y);
-}
-
-
-void Fl_Wayland_Image_Surface_Driver::untranslate() {
- ((Fl_Wayland_Graphics_Driver*)driver())->ps_untranslate();
-}
-
-
-Fl_RGB_Image* Fl_Wayland_Image_Surface_Driver::image() {
- if (shape_data_ && shape_data_->mask_pattern_) {
- // draw above the secondary offscreen the main offscreen masked by mask_pattern_
- cairo_t *c = ((Fl_Cairo_Graphics_Driver*)driver())->cr();
- cairo_pattern_t *paint_pattern = cairo_pattern_create_for_surface(cairo_get_target(c));
- cairo_set_source(shape_data_->bg_cr, paint_pattern);
- cairo_mask(shape_data_->bg_cr, shape_data_->mask_pattern_);
- cairo_pattern_destroy(paint_pattern);
- // copy secondary offscreen to the main offscreen
- cairo_pattern_t *pat = cairo_pattern_create_for_surface(cairo_get_target(shape_data_->bg_cr));
- cairo_scale(c, shape_data_->scale, shape_data_->scale);
- cairo_set_source(c, pat),
- cairo_paint(c);
- cairo_pattern_destroy(pat);
- // delete secondary offscreen
- cairo_surface_t *surf;
- cairo_pattern_get_surface(shape_data_->mask_pattern_, &surf);
- unsigned char *bits = cairo_image_surface_get_data(surf);
- cairo_pattern_destroy(shape_data_->mask_pattern_);
- delete[] bits;
- struct Fl_Wayland_Graphics_Driver::draw_buffer *off_ =
- Fl_Wayland_Graphics_Driver::offscreen_buffer((Fl_Offscreen)shape_data_->bg_cr);
- delete[] off_->buffer;
- free(off_);
- cairo_destroy(shape_data_->bg_cr);
- free(shape_data_);
- shape_data_ = NULL;
- }
-
- // Convert depth-4 image in draw_buffer to a depth-3 image while exchanging R and B colors
- struct Fl_Wayland_Graphics_Driver::draw_buffer *off_buf =
- Fl_Wayland_Graphics_Driver::offscreen_buffer(offscreen);
- int height = int(off_buf->data_size / off_buf->stride);
- uchar *rgb = new uchar[off_buf->width * height * 3];
- uchar *p = rgb;
- uchar *q;
- for (int j = 0; j < height; j++) {
- q = off_buf->buffer + j*off_buf->stride;
- for (int i = 0; i < off_buf->width; i++) { // exchange R and B colors, transmit G
- *p = *(q+2);
- *(p+1) = *(q+1);
- *(p+2) = *q;
- p += 3; q += 4;
- }
- }
- Fl_RGB_Image *image = new Fl_RGB_Image(rgb, off_buf->width, height, 3);
- image->alloc_array = 1;
- return image;
-}
-
-
-void Fl_Wayland_Image_Surface_Driver::mask(const Fl_RGB_Image *mask) {
- bool using_copy = false;
- shape_data_ = (struct shape_data_type*)calloc(1, sizeof(struct shape_data_type));
- int W, H;
- struct Fl_Wayland_Graphics_Driver::draw_buffer *off_buf =
- Fl_Wayland_Graphics_Driver::offscreen_buffer(offscreen);
- W = off_buf->width;
- H = (int)(off_buf->data_size / off_buf->stride);
- if (W != mask->data_w() || H != mask->data_h()) {
- Fl_RGB_Image *copy = (Fl_RGB_Image*)mask->copy(W, H);
- mask = copy;
- using_copy = true;
- }
- shape_data_->mask_pattern_ = Fl_Cairo_Graphics_Driver::calc_cairo_mask(mask);
- //duplicate current offscreen content to new cairo_t* shape_data_->bg_cr
- int width, height;
- printable_rect(&width, &height);
- struct Fl_Wayland_Graphics_Driver::draw_buffer *off_ =
- (struct Fl_Wayland_Graphics_Driver::draw_buffer*)calloc(1,
- sizeof(struct Fl_Wayland_Graphics_Driver::draw_buffer));
- Fl_Wayland_Graphics_Driver::cairo_init(off_, W, H,
- cairo_format_stride_for_width(CAIRO_FORMAT_RGB24, W),
- CAIRO_FORMAT_RGB24);
- cairo_set_user_data(off_->cairo_, &Fl_Wayland_Graphics_Driver::key, off_, NULL);
- shape_data_->bg_cr = off_->cairo_;
- memcpy(off_->buffer, off_buf->buffer, off_buf->data_size);
- shape_data_->scale = double(width) / W;
- if (using_copy) delete mask;
-}
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