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-rw-r--r--libdimension/Makefile.am2
-rw-r--r--libdimension/dimension-internal.h1
-rw-r--r--libdimension/gl.c38
-rw-r--r--libdimension/png.c41
-rw-r--r--libdimension/rgba16.c63
-rw-r--r--libdimension/rgba16.h32
6 files changed, 103 insertions, 74 deletions
diff --git a/libdimension/Makefile.am b/libdimension/Makefile.am
index 73a4ae5..35f56f7 100644
--- a/libdimension/Makefile.am
+++ b/libdimension/Makefile.am
@@ -105,6 +105,8 @@ libdimension_la_SOURCES = $(nobase_include_HEADERS) \
raytrace.c \
refcount-internal.h \
reflection.c \
+ rgba16.c \
+ rgba16.h \
scene.c \
solid_pigment.c \
sphere.c \
diff --git a/libdimension/dimension-internal.h b/libdimension/dimension-internal.h
index a7eb213..15a7e4c 100644
--- a/libdimension/dimension-internal.h
+++ b/libdimension/dimension-internal.h
@@ -36,5 +36,6 @@
#include "future-impl.h"
#include "threads.h"
#include "prtree.h"
+#include "rgba16.h"
#endif /* DIMENSION_INTERNAL_H */
diff --git a/libdimension/gl.c b/libdimension/gl.c
index ff7906c..1250307 100644
--- a/libdimension/gl.c
+++ b/libdimension/gl.c
@@ -23,48 +23,16 @@
* OpenGL import/export.
*/
-#include "dimension.h"
+#include "dimension-internal.h"
#include <GL/gl.h>
#include <stdlib.h>
#include <stdint.h>
-/** GL optimizer callback. */
-static void
-dmnsn_gl_optimizer_fn(const dmnsn_canvas *canvas,
- dmnsn_canvas_optimizer optimizer, size_t x, size_t y)
-{
- GLushort *pixel = (GLushort *)optimizer.ptr + 4*(y*canvas->width + x);
- dmnsn_color color = dmnsn_canvas_get_pixel(canvas, x, y);
- color = dmnsn_remove_filter(color);
- color = dmnsn_color_to_sRGB(color);
- color = dmnsn_color_saturate(color);
-
- pixel[0] = lround(color.R*UINT16_MAX);
- pixel[1] = lround(color.G*UINT16_MAX);
- pixel[2] = lround(color.B*UINT16_MAX);
- pixel[3] = lround(color.trans*UINT16_MAX);
-}
-
/* Optimize canvas for GL drawing */
int
dmnsn_gl_optimize_canvas(dmnsn_canvas *canvas)
{
- /* Check if we've already optimized this canvas */
- DMNSN_ARRAY_FOREACH (dmnsn_canvas_optimizer *, i, canvas->optimizers) {
- if (i->optimizer_fn == dmnsn_gl_optimizer_fn) {
- return 0;
- }
- }
-
- dmnsn_canvas_optimizer optimizer;
- optimizer.optimizer_fn = dmnsn_gl_optimizer_fn;
- optimizer.free_fn = dmnsn_free;
-
- /* Allocate a buffer to hold RGB values */
- optimizer.ptr = dmnsn_malloc(4*canvas->width*canvas->height*sizeof(GLushort));
-
- /* Set a new optimizer */
- dmnsn_canvas_optimize(canvas, optimizer);
+ dmnsn_rgba16_optimize_canvas(canvas);
return 0;
}
@@ -81,7 +49,7 @@ dmnsn_gl_write_canvas(const dmnsn_canvas *canvas)
/* Check if we can optimize this */
DMNSN_ARRAY_FOREACH (dmnsn_canvas_optimizer *, i, canvas->optimizers) {
- if (i->optimizer_fn == dmnsn_gl_optimizer_fn) {
+ if (i->optimizer_fn == dmnsn_rgba16_optimizer_fn) {
glDrawPixels(width, height, GL_RGBA, GL_UNSIGNED_SHORT, i->ptr);
return glGetError() == GL_NO_ERROR ? 0 : 1;
}
diff --git a/libdimension/png.c b/libdimension/png.c
index 8fc2c1f..82fa31a 100644
--- a/libdimension/png.c
+++ b/libdimension/png.c
@@ -30,51 +30,14 @@
#include <stdlib.h>
#include <stdint.h>
-/** PNG optimizer callback. */
-static void dmnsn_png_optimizer_fn(const dmnsn_canvas *canvas,
- dmnsn_canvas_optimizer optimizer,
- size_t x, size_t y);
-
/* Optimize canvas for PNG exporting */
int
dmnsn_png_optimize_canvas(dmnsn_canvas *canvas)
{
- /* Check if we've already optimized this canvas */
- DMNSN_ARRAY_FOREACH (dmnsn_canvas_optimizer *, i, canvas->optimizers) {
- if (i->optimizer_fn == dmnsn_png_optimizer_fn) {
- return 0;
- }
- }
-
- dmnsn_canvas_optimizer optimizer;
- optimizer.optimizer_fn = dmnsn_png_optimizer_fn;
- optimizer.free_fn = dmnsn_free;
-
- optimizer.ptr = dmnsn_malloc(4*canvas->width*canvas->height*sizeof(uint16_t));
-
- dmnsn_canvas_optimize(canvas, optimizer);
+ dmnsn_rgba16_optimize_canvas(canvas);
return 0;
}
-/* PNG optimizer callback */
-static void
-dmnsn_png_optimizer_fn(const dmnsn_canvas *canvas,
- dmnsn_canvas_optimizer optimizer, size_t x, size_t y)
-{
- dmnsn_color color;
- uint16_t *pixel = (uint16_t *)optimizer.ptr + 4*(y*canvas->width + x);
-
- color = dmnsn_canvas_get_pixel(canvas, x, y);
- color = dmnsn_remove_filter(color);
- color = dmnsn_color_to_sRGB(color);
- color = dmnsn_color_saturate(color);
-
- pixel[0] = lround(color.R*UINT16_MAX);
- pixel[1] = lround(color.G*UINT16_MAX);
- pixel[2] = lround(color.B*UINT16_MAX);
- pixel[3] = lround(color.trans*UINT16_MAX);
-}
-
/** Payload type for PNG write thread callback. */
typedef struct {
dmnsn_future *future;
@@ -215,7 +178,7 @@ dmnsn_png_write_canvas_thread(void *ptr)
DMNSN_ARRAY_FOREACH (dmnsn_canvas_optimizer *, i,
payload->canvas->optimizers)
{
- if (i->optimizer_fn == dmnsn_png_optimizer_fn) {
+ if (i->optimizer_fn == dmnsn_rgba16_optimizer_fn) {
for (size_t y = 0; y < height; ++y) {
/* Invert the rows. PNG coordinates are fourth quadrant. */
uint16_t *row = (uint16_t *)i->ptr + 4*(height - y - 1)*width;
diff --git a/libdimension/rgba16.c b/libdimension/rgba16.c
new file mode 100644
index 0000000..980a2d3
--- /dev/null
+++ b/libdimension/rgba16.c
@@ -0,0 +1,63 @@
+/*************************************************************************
+ * Copyright (C) 2010-2011 Tavian Barnes <tavianator@tavianator.com> *
+ * *
+ * This file is part of The Dimension Library. *
+ * *
+ * The Dimension Library is free software; you can redistribute it and/ *
+ * or modify it under the terms of the GNU Lesser General Public License *
+ * as published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * The Dimension Library is distributed in the hope that it will be *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * Lesser General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU Lesser General Public *
+ * License along with this program. If not, see *
+ * <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+/**
+ * @file
+ * 16-bit RGBA canvas optimizer.
+ */
+
+#include "dimension-internal.h"
+#include <stdint.h>
+
+void
+dmnsn_rgba16_optimize_canvas(dmnsn_canvas *canvas)
+{
+ /* Check if we've already optimized this canvas */
+ DMNSN_ARRAY_FOREACH (dmnsn_canvas_optimizer *, i, canvas->optimizers) {
+ if (i->optimizer_fn == dmnsn_rgba16_optimizer_fn) {
+ return;
+ }
+ }
+
+ dmnsn_canvas_optimizer optimizer;
+ optimizer.optimizer_fn = dmnsn_rgba16_optimizer_fn;
+ optimizer.free_fn = dmnsn_free;
+ optimizer.ptr = dmnsn_malloc(4*canvas->width*canvas->height*sizeof(uint16_t));
+
+ dmnsn_canvas_optimize(canvas, optimizer);
+}
+
+/* PNG optimizer callback */
+void
+dmnsn_rgba16_optimizer_fn(const dmnsn_canvas *canvas,
+ dmnsn_canvas_optimizer optimizer, size_t x, size_t y)
+{
+ uint16_t *pixel = (uint16_t *)optimizer.ptr + 4*(y*canvas->width + x);
+ dmnsn_color color;
+ color = dmnsn_canvas_get_pixel(canvas, x, y);
+ color = dmnsn_remove_filter(color);
+ color = dmnsn_color_to_sRGB(color);
+ color = dmnsn_color_saturate(color);
+
+ pixel[0] = lround(color.R*UINT16_MAX);
+ pixel[1] = lround(color.G*UINT16_MAX);
+ pixel[2] = lround(color.B*UINT16_MAX);
+ pixel[3] = lround(color.trans*UINT16_MAX);
+}
diff --git a/libdimension/rgba16.h b/libdimension/rgba16.h
new file mode 100644
index 0000000..24af74a
--- /dev/null
+++ b/libdimension/rgba16.h
@@ -0,0 +1,32 @@
+/*************************************************************************
+ * Copyright (C) 2010-2011 Tavian Barnes <tavianator@tavianator.com> *
+ * *
+ * This file is part of The Dimension Library. *
+ * *
+ * The Dimension Library is free software; you can redistribute it and/ *
+ * or modify it under the terms of the GNU Lesser General Public License *
+ * as published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * The Dimension Library is distributed in the hope that it will be *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * Lesser General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU Lesser General Public *
+ * License along with this program. If not, see *
+ * <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+/**
+ * @file
+ * 16-bit RGBA canvas optimizer interface, shared between PNG and GL optimizers.
+ */
+
+/** Apply the rgba16 optimizer to a canvas. */
+void dmnsn_rgba16_optimize_canvas(dmnsn_canvas *canvas);
+
+/** RGBA16 optimizer callback. */
+void dmnsn_rgba16_optimizer_fn(const dmnsn_canvas *canvas,
+ dmnsn_canvas_optimizer optimizer,
+ size_t x, size_t y);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 18:01:16 +0000