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-rw-r--r--gtk/PlatGTK.cxx116
1 files changed, 85 insertions, 31 deletions
diff --git a/gtk/PlatGTK.cxx b/gtk/PlatGTK.cxx
index c94847825..e323b0ad1 100644
--- a/gtk/PlatGTK.cxx
+++ b/gtk/PlatGTK.cxx
@@ -9,6 +9,9 @@
#include <stddef.h>
#include <math.h>
+#include <vector>
+#include <map>
+
#include <glib.h>
#include <gmodule.h>
#include <gdk/gdk.h>
@@ -785,6 +788,7 @@ public:
void RoundedRectangle(PRectangle rc, ColourAllocated fore, ColourAllocated back);
void AlphaRectangle(PRectangle rc, int cornerSize, ColourAllocated fill, int alphaFill,
ColourAllocated outline, int alphaOutline, int flags);
+ void DrawRGBAImage(PRectangle rc, int width, int height, const unsigned char *pixelsImage);
void Ellipse(PRectangle rc, ColourAllocated fore, ColourAllocated back);
void Copy(PRectangle rc, Point from, Surface &surfaceSource);
@@ -1362,6 +1366,51 @@ void SurfaceImpl::AlphaRectangle(PRectangle rc, int cornerSize, ColourAllocated
#endif
}
+void SurfaceImpl::DrawRGBAImage(PRectangle rc, int width, int height, const unsigned char *pixelsImage) {
+ if (rc.Width() > width)
+ rc.left += (rc.Width() - width) / 2;
+ rc.right = rc.left + width;
+ if (rc.Height() > height)
+ rc.top += (rc.Height() - height) / 2;
+ rc.bottom = rc.top + height;
+
+#ifdef USE_CAIRO
+ int stride = cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32, width);
+ int ucs = stride * height;
+ std::vector<unsigned char> image(ucs);
+ for (int y=0; y<height; y++) {
+ for (int x=0; x<width; x++) {
+ unsigned char *pixel = &image[0] + y*stride + x * 4;
+ unsigned char alpha = pixelsImage[3];
+ pixel[2] = (*pixelsImage++) * alpha / 255;
+ pixel[1] = (*pixelsImage++) * alpha / 255;
+ pixel[0] = (*pixelsImage++) * alpha / 255;
+ pixel[3] = *pixelsImage++;
+ }
+ }
+
+ cairo_surface_t *psurf = cairo_image_surface_create_for_data(&image[0], CAIRO_FORMAT_ARGB32, width, height, stride);
+ cairo_set_source_surface(context, psurf, rc.left, rc.top);
+ cairo_rectangle(context, rc.left, rc.top, rc.right-rc.left, rc.bottom-rc.top);
+ cairo_fill(context);
+
+ cairo_surface_destroy(psurf);
+#else
+ GdkPixbuf *pixbuf = gdk_pixbuf_new_from_data(pixelsImage,
+ GDK_COLORSPACE_RGB,
+ TRUE,
+ 8,
+ width,
+ height,
+ width * 4,
+ NULL,
+ NULL);
+ gdk_draw_pixbuf(drawable, gc, pixbuf,
+ 0,0, rc.left,rc.top, width,height, GDK_RGB_DITHER_NORMAL, 0, 0);
+ g_object_unref(pixbuf);
+#endif
+}
+
void SurfaceImpl::Ellipse(PRectangle rc, ColourAllocated fore, ColourAllocated back) {
PenColour(back);
#ifdef USE_CAIRO
@@ -2225,8 +2274,10 @@ PRectangle Window::GetMonitorRect(Point pt) {
#endif
}
+typedef std::map<int, RGBAImage*> ImageMap;
+
struct ListImage {
- const char *xpm_data;
+ const RGBAImage *rgba_data;
GdkPixbuf *pixbuf;
};
@@ -2254,7 +2305,7 @@ class ListBoxX : public ListBox {
WindowID scroller;
void *pixhash;
GtkCellRenderer* pixbuf_renderer;
- XPMSet xset;
+ RGBAImageSet images;
int desiredVisibleRows;
unsigned int maxItemCharacters;
unsigned int aveCharWidth;
@@ -2286,7 +2337,9 @@ public:
virtual int GetSelection();
virtual int Find(const char *prefix);
virtual void GetValue(int n, char *value, int len);
+ void RegisterRGBA(int type, RGBAImage *image);
virtual void RegisterImage(int type, const char *xpm_data);
+ virtual void RegisterRGBAImage(int type, int width, int height, const unsigned char *pixelsImage);
virtual void ClearRegisteredImages();
virtual void SetDoubleClickAction(CallBackAction action, void *data) {
doubleClickAction = action;
@@ -2511,25 +2564,21 @@ void ListBoxX::Clear() {
}
static void init_pixmap(ListImage *list_image) {
- const char *textForm = list_image->xpm_data;
- const char * const * xpm_lineform = reinterpret_cast<const char * const *>(textForm);
- const char **xpm_lineformfromtext = 0;
- // The XPM data can be either in atext form as will be read from a file
- // or in a line form (array of char *) as will be used for images defined in code.
- // Test for text form and convert to line form
- if ((0 == memcmp(textForm, "/* X", 4)) && (0 == memcmp(textForm, "/* XPM */", 9))) {
- // Test done is two parts to avoid possibility of overstepping the memory
- // if memcmp implemented strangely. Must be 4 bytes at least at destination.
- xpm_lineformfromtext = XPM::LinesFormFromTextForm(textForm);
- xpm_lineform = xpm_lineformfromtext;
- }
-
- // Drop any existing pixmap/bitmap as data may have changed
- if (list_image->pixbuf)
- g_object_unref(list_image->pixbuf);
- list_image->pixbuf =
- gdk_pixbuf_new_from_xpm_data((const gchar**)xpm_lineform);
- delete []xpm_lineformfromtext;
+ if (list_image->rgba_data) {
+ // Drop any existing pixmap/bitmap as data may have changed
+ if (list_image->pixbuf)
+ g_object_unref(list_image->pixbuf);
+ list_image->pixbuf =
+ gdk_pixbuf_new_from_data(list_image->rgba_data->Pixels(),
+ GDK_COLORSPACE_RGB,
+ TRUE,
+ 8,
+ list_image->rgba_data->GetWidth(),
+ list_image->rgba_data->GetHeight(),
+ list_image->rgba_data->GetWidth() * 4,
+ NULL,
+ NULL);
+ }
}
#define SPACING 5
@@ -2697,13 +2746,8 @@ void ListBoxX::GetValue(int n, char *value, int len) {
#pragma warning(disable: 4127)
#endif
-void ListBoxX::RegisterImage(int type, const char *xpm_data) {
- g_return_if_fail(xpm_data);
-
- // Saved and use the saved copy so caller's copy can disappear.
- xset.Add(type, xpm_data);
- XPM *pxpm = xset.Get(type);
- xpm_data = reinterpret_cast<const char *>(pxpm->InLinesForm());
+void ListBoxX::RegisterRGBA(int type, RGBAImage *image) {
+ images.Add(type, image);
if (!pixhash) {
pixhash = g_hash_table_new(g_direct_hash, g_direct_equal);
@@ -2715,17 +2759,27 @@ void ListBoxX::RegisterImage(int type, const char *xpm_data) {
if (list_image->pixbuf)
g_object_unref(list_image->pixbuf);
list_image->pixbuf = NULL;
- list_image->xpm_data = xpm_data;
+ list_image->rgba_data = image;
} else {
list_image = g_new0(ListImage, 1);
- list_image->xpm_data = xpm_data;
+ list_image->rgba_data = image;
g_hash_table_insert((GHashTable *) pixhash, GINT_TO_POINTER(type),
(gpointer) list_image);
}
}
+void ListBoxX::RegisterImage(int type, const char *xpm_data) {
+ g_return_if_fail(xpm_data);
+ XPM xpmImage(xpm_data);
+ RegisterRGBA(type, new RGBAImage(xpmImage));
+}
+
+void ListBoxX::RegisterRGBAImage(int type, int width, int height, const unsigned char *pixelsImage) {
+ RegisterRGBA(type, new RGBAImage(width, height, pixelsImage));
+}
+
void ListBoxX::ClearRegisteredImages() {
- xset.Clear();
+ images.Clear();
}
void ListBoxX::SetList(const char *listText, char separator, char typesep) {
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-12 20:24:02 +0000