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-rw-r--r--src/layer_image.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/src/layer_image.h b/src/layer_image.h
new file mode 100644
index 0000000..5f2271f
--- /dev/null
+++ b/src/layer_image.h
@@ -0,0 +1,58 @@
+#ifndef __LAYER_IMAGE_H
+#define __LAYER_IMAGE_H
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <SDL.h>
+
+#include "osc_graphics.h"
+#include "layer.h"
+
+class LayerImage : public Layer {
+ SDL_Surface *surf_alpha; /* with per-surface alpha */
+ SDL_Surface *surf_scaled; /* scaled image */
+ SDL_Surface *surf; /* original image */
+
+ SDL_Rect geov;
+ float alphav;
+
+public:
+ LayerImage(const char *name,
+ SDL_Rect geo = (SDL_Rect){0, 0, 0, 0},
+ float opacity = 1.,
+ const char *file = NULL);
+
+ static CtorInfo ctor_info;
+ static Layer *
+ ctor_osc(const char *name, SDL_Rect geo, float opacity, lo_arg **argv)
+ {
+ return new LayerImage(name, geo, opacity, &argv[0]->s);
+ }
+
+ ~LayerImage();
+
+ void frame(SDL_Surface *target);
+
+private:
+ void geo(SDL_Rect geo);
+ void alpha(float opacity);
+
+ void file(const char *file = NULL);
+ OSCServer::MethodHandlerId *file_osc_id;
+ static void
+ file_osc(LayerImage *obj, lo_arg **argv)
+ {
+ obj->file(&argv[0]->s);
+ }
+};
+
+/*
+ * Macros
+ */
+#define SDL_IMAGE_ERROR(FMT, ...) do { \
+ fprintf(stderr, "%s(%d): " FMT ": %s\n", \
+ __FILE__, __LINE__, ##__VA_ARGS__, IMG_GetError()); \
+} while (0)
+
+#endif