67 lines
2.3 KiB
C
67 lines
2.3 KiB
C
#include "gtk/gtk.h"
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#include "../core/raster.h"
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#include "uicontroller.h"
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#include "vektorcanvas.h"
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#define VKTR_CANVAS_WIDTH 400
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#define VKTR_CANVAS_HEIGHT 400
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#define VKTR_CANVAS_SIZE (VKTR_CANVAS_WIDTH * VKTR_CANVAS_HEIGHT * 4)
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void vektor_canvas_init(VektorWidgetState *state, VektorCanvas *canvasOut) {
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canvasOut->canvasWidget = state->workspaceCanvas;
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canvasOut->width = VKTR_CANVAS_WIDTH;
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canvasOut->height = VKTR_CANVAS_HEIGHT;
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canvasOut->canvasPixels = g_malloc0(VKTR_CANVAS_SIZE);
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canvasOut->canvasPixelBytes =
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g_bytes_new(canvasOut->canvasPixels, VKTR_CANVAS_SIZE);
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canvasOut->canvasTexture = gdk_memory_texture_new(
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VKTR_CANVAS_WIDTH, VKTR_CANVAS_HEIGHT, GDK_MEMORY_R8G8B8A8,
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canvasOut->canvasPixelBytes, VKTR_CANVAS_WIDTH * 4);
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gtk_picture_set_paintable(canvasOut->canvasWidget,
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GDK_PAINTABLE(canvasOut->canvasTexture));
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// g_object_unref(bytes);
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}
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/* Generate new texture based on canvasPixels*/
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void vektor_canvas_update(VektorCanvas *canvas) {
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g_bytes_unref(canvas->canvasPixelBytes);
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canvas->canvasPixelBytes =
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g_bytes_new(canvas->canvasPixels, VKTR_CANVAS_SIZE);
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g_object_unref(canvas->canvasTexture);
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canvas->canvasTexture =
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gdk_memory_texture_new(canvas->width, canvas->height, GDK_MEMORY_R8G8B8A8,
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canvas->canvasPixelBytes, canvas->width * 4);
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gtk_picture_set_paintable(canvas->canvasWidget,
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GDK_PAINTABLE(canvas->canvasTexture));
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}
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void vektor_canvas_fill(VektorCanvas *canvas, VektorColor color) {
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for (int x = 0; x < VKTR_CANVAS_WIDTH; x++) {
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for (int y = 0; y < VKTR_CANVAS_HEIGHT; y++) {
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int i = (y * VKTR_CANVAS_WIDTH + x) * 4;
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canvas->canvasPixels[i + 0] = color.r;
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canvas->canvasPixels[i + 1] = color.g;
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canvas->canvasPixels[i + 2] = color.b;
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canvas->canvasPixels[i + 3] = color.a;
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}
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}
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}
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void vektor_canvas_drawfrom(VektorFramebuffer *fb, VektorCanvas *target) {
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for (int x = 0; x < fb->width; x++) {
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for (int y = 0; y < fb->height; y++) {
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int i = (y * fb->width + x) * 4;
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target->canvasPixels[i + 0] = (guchar)fb->pixels[i + 0];
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target->canvasPixels[i + 1] = (guchar)fb->pixels[i + 1];
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target->canvasPixels[i + 2] = (guchar)fb->pixels[i + 2];
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target->canvasPixels[i + 3] = (guchar)fb->pixels[i + 3];
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}
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}
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} |