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Replace iterators with range-based loop in gif_format.cpp

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This commit is contained in:
David Capello 2015-07-15 15:09:07 -03:00
parent b426171679
commit 008dceb55d
1 changed files with 32 additions and 37 deletions
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69
src/app/file/gif_format.cpp
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@ -65,8 +65,7 @@ struct GifFrame {
typedef std::vector<GifFrame> GifFrames;
struct GifData
{
struct GifData {
int sprite_w;
int sprite_h;
int bgcolor_index;
@ -169,7 +168,7 @@ bool GifFormat::onLoad(FileOp* fop)
// If the GIF image has a global palette, it has a valid
// background color (so the GIF is not transparent).
if (gif_file->SColorMap != NULL) {
if (gif_file->SColorMap) {
data->bgcolor_index = gif_file->SBackGroundColor;
// Setup the first palette using the global color map.
@ -343,18 +342,15 @@ bool GifFormat::onPostLoad(FileOp* fop)
if (!fop->oneframe) {
int global_mask_index = -1;
for (GifFrames::iterator
frame_it=data->frames.begin(),
frame_end=data->frames.end(); frame_it != frame_end; ++frame_it) {
for (const auto& frame : data->frames) {
// Convert the indexed image to RGB
for (int y=0; y<frame_it->image->height(); ++y) {
for (int x=0; x<frame_it->image->width(); ++x) {
int pixel_index = get_pixel_fast<IndexedTraits>(frame_it->image, x, y);
for (int y=0; y<frame.image->height(); ++y) {
for (int x=0; x<frame.image->width(); ++x) {
int pixel_index = get_pixel_fast<IndexedTraits>(frame.image, x, y);
if (pixel_index >= 0 && pixel_index < 256) {
// This pixel matches the frame's transparent color
if (pixel_index == frame_it->mask_index) {
if (pixel_index == frame.mask_index) {
// If we haven't set a background color yet, this is our new background color.
if (global_mask_index < 0) {
global_mask_index = pixel_index;
@ -426,42 +422,39 @@ bool GifFormat::onPostLoad(FileOp* fop)
Palette* current_palette = NULL;
frame_t frame_num(0);
for (GifFrames::iterator
frame_it=data->frames.begin(),
frame_end=data->frames.end(); frame_it != frame_end; ++frame_it, ++frame_num) {
for (const auto& frame : data->frames) {
// Set frame duration
sprite->setFrameDuration(frame_num, frame_it->duration);
sprite->setFrameDuration(frame_num, frame.duration);
// Set frame palette
if (frame_it->palette) {
sprite->setPalette(frame_it->palette, true);
current_palette = frame_it->palette;
if (frame.palette) {
sprite->setPalette(frame.palette, true);
current_palette = frame.palette;
}
switch (pixelFormat) {
case IMAGE_INDEXED:
for (int y = 0; y < frame_it->image->height(); ++y)
for (int x = 0; x < frame_it->image->width(); ++x) {
int pixel_index = get_pixel_fast<IndexedTraits>(frame_it->image, x, y);
if (pixel_index != frame_it->mask_index)
for (int y = 0; y < frame.image->height(); ++y)
for (int x = 0; x < frame.image->width(); ++x) {
int pixel_index = get_pixel_fast<IndexedTraits>(frame.image, x, y);
if (pixel_index != frame.mask_index)
put_pixel_fast<IndexedTraits>(current_image,
frame_it->x + x,
frame_it->y + y,
frame.x + x,
frame.y + y,
pixel_index);
}
break;
case IMAGE_RGB:
// Convert the indexed image to RGB
for (int y = 0; y < frame_it->image->height(); ++y)
for (int x = 0; x < frame_it->image->width(); ++x) {
int pixel_index = get_pixel_fast<IndexedTraits>(frame_it->image, x, y);
if (pixel_index != frame_it->mask_index)
for (int y = 0; y < frame.image->height(); ++y)
for (int x = 0; x < frame.image->width(); ++x) {
int pixel_index = get_pixel_fast<IndexedTraits>(frame.image, x, y);
if (pixel_index != frame.mask_index)
put_pixel_fast<RgbTraits>(current_image,
frame_it->x + x,
frame_it->y + y,
frame.x + x,
frame.y + y,
current_palette->getEntry(pixel_index));
}
break;
@ -492,7 +485,7 @@ bool GifFormat::onPostLoad(FileOp* fop)
// current frame (frame_num), so now we have to clear the
// area occupied by frame_image using the desired disposal
// method.
switch (frame_it->disposal_method) {
switch (frame.disposal_method) {
case DISPOSAL_METHOD_NONE:
case DISPOSAL_METHOD_DO_NOT_DISPOSE:
@ -501,10 +494,10 @@ bool GifFormat::onPostLoad(FileOp* fop)
case DISPOSAL_METHOD_RESTORE_BGCOLOR:
fill_rect(current_image,
frame_it->x,
frame_it->y,
frame_it->x+frame_it->image->width()-1,
frame_it->y+frame_it->image->height()-1,
frame.x,
frame.y,
frame.x+frame.image->width()-1,
frame.y+frame.image->height()-1,
bgcolor);
break;
@ -517,8 +510,10 @@ bool GifFormat::onPostLoad(FileOp* fop)
// disposal method is not "restore previous" (which means
// that we have already updated current_image from
// previous_image).
if (frame_it->disposal_method != DISPOSAL_METHOD_RESTORE_PREVIOUS)
if (frame.disposal_method != DISPOSAL_METHOD_RESTORE_PREVIOUS)
copy_image(previous_image, current_image);
++frame_num;
}
fop->document->sprites().add(sprite);